Machine for shaping conical metal forms



May 27, 1930. r. J. MURRAY 1,760,432

MACHINE FOR SHAPING CONICAL METAL FORMS Filed Feb. 6, 1929 sSheets-Sheet 1 Nv 5 INVENTOR m T/zornasJ/fizrray mf V BY- ATTORNEYS May27, 1930. T. J. MURRAY MACHINE FOR SHAPING CONICAL METAL FORMS 3Sheets-Sheet 2 NW QM: WW Q. NW QM! WAN AW w g J ii mu m s aw w l W m mm.QW\N Q Q mm m m w ww. WW mm NW N 1 I l m V mwi ii m k //A/ Qm mm WQ mmm 1 fim m s NW mvmu w .w% w \m w m w w m MW m w \NI II \R 7 mu 1 I\ *NI.QNI. 1% N1 [*NI ,QMM U NB mm 1 UH @N WWI QNI MN: NN NN .m l wmfiw mw m'ATTORNEY May 27, 1930. 1-. JJMURRAY MACHINE 'FOR SHAPING CONICAL METALFORMS Filed Feb. 6, 1929 3 Sheets-Sheet 3 a INVENTQR I 2 f ATTORNEY Theinvention has for its object to provide flange formed on the blank;

Patented May 27, 1930 I i i UNITED STATES PATENT OFFICE i i 'rHoMAs J.MURRAY, or BEACON, NEW YORK MAGHINE non snArIue conform METAL Foamsapplication filed February 6, 1929. Serial No. 337,982. The inventionrelates to machines for proa blank being in position to be operated on;.ducing collars and base flanges on conical Fig. 2 is a central verticallongitudinal sec forms of metal, particularly inthe manufaction of thesame; e ture of'exhaust heads and similar forms. Fig. 3 is a viewsimilar to Fig. 2 with the amachine for the purpose stated, of a simple,Fig. 4 is a view similar to Figs. 2 and 3 compact and convenientstructure whereby but showing how a collar is. formed; the bending orswaging of the metal may be: Fig. 5 is a horizontal section on the linereadily accomplished with a minimum of ef- 55 of Fig.3; i V

I i Fig. 6 is a central vertical longitudinal sec 60' FurtherQit is anobject to provide a machine tion of a modification of the invention; andwith die holderswhose positions may be ad- Fig. 7 is a detail section onthe line 7+7 of justed to permit use of dies of different sizes Fig. 3.l

according to the particular size of article to In the accompanyingdrawings in which be formed. I e M V like numerals of referencedesignate like 5 Further, it is an object to provide a maparts inall ofthe figures, 10 designates a base chine in which the flanging die ismounted so which may be rectangular in form and made as to engage withthe outer face of the conical of metal. Centrally of the base is rigidlyse form and serve to produce an outwardly procured a vertical screw 11on which is threaded I j ecting flange thereon which will lie in a planea nut 12. The nut 12 is adapted to travel up 70 normalto the axis of theform. anddown upon the screw in engagement with Further, it is an objectto provide a mathe threads thereof.

and the other collar forming die which 00- l) or, if the machine is to.be operated by Further, it is an object to provide a screw. belt driven.

1 chine in which one of the collar forming dies The nut 12 is providedwith handles 13- willengage the outer face of the conical form whereby.it may be rotated manually (see Fig.

operates with the same will operate within power, the nut (see .0, Fig.6) may have gear the form to produce a cylindrical collar on the teethllto mesh with a suitable driving gear blank, the axis of which collarwill lie normal not shown), If desired the handles 13 may to the planeof the flange. 6 be omitted and the nut used asa pulley to be devicewith nutmembers separately to oper- The nut 12 has a shoulder 14 whichworks ate theclies for forming the fiangeand collar. in a recess 15 thatis provided in the upper Further, it is an object to provide amachine*side of a head plate 16 through the central wherein the flanging diewill cooperate with aperture of which the shank of the nut prothe baseandc'lamp the flange formed on the. jects. In order to retain the plateswivelly j blankso as to holdthe blank rigidly while the on the nut 12the shank of the nut is threaded *collar forming die is performing itsfunc below the plate 16 andreceivesa nut lland a tions... i e p lockorjam nut 18. Thus when the nut 12 is Other objects will in part beobvious and in turned on the screw it will tend to move the partbe'pointed out hereinafter. n plate 16 up anddown with it withoutrotating i e Totheattainment of the afores'aid objects the plate-- I andends. my invention consists'inthe novel To the underside of the plate 16is secured details of construction and in the combinaa plurality(preferably three or more) of tion, connection and arrangement of' partsarms 19. to the lowerends of which is.rigidhereinafter more fullydescribed and then ly fastened a die carrying ring 20 having an vpointed out in theclaims. I 3 annular recess 21 in its upper facein whchIn the accompanying drawings showing ilis disposed a removable die 22.The die 22 I lustrative embodimentsof the invention is heldrigidlyattached to the annular mem- 5 Figure 1 isfa sideelevation of a manuallyber20by a number offclamping devices 23.

I p r e iilfichifie y ngtheinvention ,As thusfar described, it will beunderstood tained in a vertical position and are adapted to be swungdownwardly to a horizontal position and serve as handles for adjustingthe nut.24.,upon the threaded shaftor -screw l1. Upon the outer faceofthe nut- 24 is disposed an annular member 26,constituting a die carrier,.whiclnhas ,a flange or shoulder a. m 27 at its lower endto. support anannular die 28. Thetdie28fdoes not require any special securingmeans forholding it ,in position upon the annular carrier26. ,The carrier 26 "andthe die28 are held looselyandswivelly ,place upon the nut 24 by means ofainut 29 which is threaded onto the lower; end of the nut 24. j

'30 designates an annular member (constia tutinganordinarv carrier)which is provided all- W011 its innersi e with a shoulder 32 and is.lsuppor ted by; adjustable clamping members :31.,which,fit on; the arms19. eUpoir the 'recessedv inner ortion of the die carrier is .supporteda ie 33 which is rigidly lamped 86, inzposition by a number ofclainpmembers-34.

,As will be noted from. Figure2, when the-upper die 33 is adjustedto-contact,the,blank 35 at the place marked-36 it mayfserve to centerand steady the blank during the fianging of 40 the lower portionthereof, i.,e., in moving from, the position of Figure 2 to the positionof FigureB. W 7 It will be understood that the purpose of the removabledies22 28 and 33 is toiadapt the 5 machine to the maklng ofconicalanembers of .difierent diameters, and the purpose of mountedonsaid base, a head plate, means to makingthe clamping members 31adjustable ,along'the arms l9,is toadapt, the machine to I the making ofrcolliflal members. of different Inlpperatiomaconicalblank-35 is placedinlposition on .thebase 10 ,ofthemachine. .;Then the n ut .12and the.assernbledrunit l6;.',l8T 19-e,tc.1,is placed ,on the screw 11 and ts 1the. not turned down to adjust ,the (HO-S122 and 33 to their properpositions'inengagenent with the blank 354:0 form the proper he.npderstoodthatthe distancebetwcen %ies 22,-andg33-llfli previously-beendetered,a.nd the,clamps.31 securedtightly to :1 .arms 19).' r a,

",li th nturawg th u lflz ow w d y amll reau -rt a pmie o lthe b ank 35.be-

i sk thedi fiflit PWdLdoW Wa-r lv and The nut 24 is The nut 24 is thenrotated upwardly whereupon it will engage the blank 35 at the placemarked 36 and upon further upward movenientwill force that .portion ofthe blank which lies above the place 36 outwardly against the inner faceof the die 33, thereby forming airannular collar whose axis lies normalto the plane containing the flange which has been formed at the bottomof the blank (see Fig. 4). This completes the formed article and it maythen be removed byunscrewing the nut 12 from the screw 11, therebyremoving the dies which work on the outer surface of theblank, andafterwards lifting the blank oil over the screw.

When the arms 19 are inclined'upwardly toward the screw, when it isdesiredto use the machine toinake articles having a grcateror lesserlength than thatshowm-otherdie car- ;riers 30 and clamps 31 aresubstituted.

lVhen, however the arms are vertical see ;-Fig., 6, it is onlylnecessaryto raiseand lower the clamps 31 along the'arms to adjust the distancebetweentheiupper and lower, dies asmay be desired.

Having thus described my said inventiom, --what I claim and desiretosccure-by Letters Patentis:

j 1. In a; machine of the class described, a base, a pear of diecarriers mountedabove the base, ring dies on-saidcarriers to'engage theI outer face oft-aconical 7 blank ;ad-jacent-, its respective ends,means to move said carriers toward the base thereby toform an outwardvly projecting'gfiange at the base/end ofsaid blank, and a supplementaldiecarrier-.-with a 'dieover which theblankis located, and means to movexsaid supplemental die to form a collar onthe other end of said blank,substantially as shownanddescribed.

2. In a-machine-ofathe class described, a base, a post. extendingupwardly from; and

mountsaid head platoon said postfor.vertiface of a: conical blanklocatedaround said .post and on. saidbase, means'to force:said

die downwardly to press the lower portion of. the blank intoanannularxfiange lying in a plane normal totheaxis of the blank.

3.:,I.n:a machinev of the. class described, a

p 7 ibase, a post extending upwardly from and angles atthe places.ofcontact 36 and 37 it v mounted on said base a head plate, means saidhead plate andadaptedtonengagethe outer face of a ,conical blanklocated-around saidpost and on saidbas meansto force said d1e..,downward ly to press:the ,lower portion ofthe blank into anannulanflangelyinglima said head plate, a fianging die for conical blanks carried bysaid arms, means on said H operate with said base in forming an outbase, a vertical screw secured to the base, a

, nuton the screw and means by which said i nut may be turned, a headplate swivelly mounted on said nut, arms depending from said head plate,a fianging die for COIllCLl blanks carried by said arms, all beingarranged whereby as said nut is screwed down said flanging die willpress the lower portion of the conical blank located on the base into aflange lying in a plane parallel to the base and clamp same to the base.

5. In a machine of the class described, a

, base, a vertical screw secured to the base, a

nut on the screw and means by which said nut may be turned, a head plateswivelly mounted on said nut, arms depending from said head plate, aflanging die for conical blanks carried by said arms, and means on saidarms to engage the outer face of the conical blank r; near its upper endand steady same.

6. Ina machine of the class described, a

base, a vertical screw secured to the base, a nut on the screw and meansby whlch sa1d nut maybe turned, a head plate swivelly mounted onsaidnut, arms depending from arms to engage the outer face of the conicalblank near its upper end and steady same,

i said means comprising one of a pair of collartormmg d es, the otherone of whlch being located on the screw at a place within the blank, andmeans to raise said other die to spread the upper portion of theblankand cooperate with the first die of the pair to form an annular collaron the blank.

7. In a machine of the class described, a base, a vertical screw carriedby said base, an

upper nut and a lower nut threaded on said screw, a head plate mountedon said upper nut, a base-flanging die suspended beneath and carried bysaid head plate to cooperate with said base in forming an outwardlyprojecting flange on a conical blank, a pair of collar-forming dies, oneof which is carried by said head plate and engages the blank ou theoutside and the other of whichis carried by said lower nut and engagesthe blank on the inside, and means to turn said nuts.

8. In a machine of the class described, a base, a vertical screw carriedby said base, an upper nut and a lower nut threaded on said screw, ahead plate-swivelly mounted onsaid upper nut,a baseflanging diesuspended beheath and carried by said head plate to co-,

wardly projectingflange on a; conical blank,

a pair of collar-forming dies, one of which is carried by said headplate and engages the blank on the outsideand the other of which iscarried by and mounted swivelly on said lower nut and engages the blankon the inside, and means to turn said nuts.

9. In a machine of the class described, a base, a vertical screw carriedby said base, an upper nut and a lower nut threaded on said screw, ahead plate mounted on said upper nut, a base-fianging die suspendedbeneath and carried by said head plate to cooperate with saidbase informing an out wardly projecting flange on a conical blank, aipair ofcollar-forming dies,one of which is carried by said head plate andengages the blank on the outside and the other of which is carried bysaid lower nut and engages the blank on the inside, and means to turnsaid nuts, said turning means for the lower nut including handlespivoted to said lower nut for the purposes specified.

10. In apparatus of the class described, a base, a vertical screwsecured to said base, an

upper nut member threaded on said screw, a

head plate iswivelly mounted on said nut member, arms secured to saidhead plate and projecting toward said base, a die carrier secured tosaid arms at their lower extremities, a second die carrier secured tosaid arms at a given distance above the first die carrier, die ringsmounted on said die carriers to engage the outer face of a conical blanknear its upper and lower extremities respectively, means to turn saidupper nut thereby to force said lower die toward said base and press aflange on the conical blank, substantially as described. 7

11. In apparatus of the class described, a base, a vertical screwsecured to said base, an upper nut member threaded on said screw, ahead. plate swivelly mounted on said nut member, arms secured to saidhead plate and projecting toward said base, a die carrier secured tosaid arms at their lower extremities, a second die carrier adjustablysecured to said arms at a given distance above the first die carrier,die rings removably mounted on said die carriers to engage the outerface of a conical blank near its upper and lower extremitiesrespectively, means to turn said upper nut thereby to force said lowerdie toward said base and press a flange on the conical blank,substantially as described.

12. In apparatus of the class described, a base, a vertical screwsecured to said base, an upper nut member threaded on said screw, a headplate swivelly -mounted on said nut member, arms secured to said headplate and projecting toward said base, a die carrier secured to saidarms'at their lower extremities, a second die carrier secured to saidarms at a given distance abovethe first die carrier, die rings mountedon said die carriers to engage t-heouter r'ace of a conical blank nearits up-r per and lower extremities respectively, means to turn saidupper nut thereby to force said lower die toward said base and press aflange n the conical blank, a lower nut member on said screw, a diecarrier and die swivelly mounted on said lower nut member, and means toturn said lower nut member to cause said last-named die, in cooperationwith the upper die member, to form a collar on the blank.

Signed at the city of New York, in the county of New York and State ofNew York, this 21st day of January, one thousand nine hundred andtwenty-nine.

THOMAS J. MURRAY.

